CN109630689B - Power-assisted stop device valve - Google Patents

Power-assisted stop device valve Download PDF

Info

Publication number
CN109630689B
CN109630689B CN201910006102.7A CN201910006102A CN109630689B CN 109630689 B CN109630689 B CN 109630689B CN 201910006102 A CN201910006102 A CN 201910006102A CN 109630689 B CN109630689 B CN 109630689B
Authority
CN
China
Prior art keywords
hole
rod
groove
fixedly arranged
valve body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910006102.7A
Other languages
Chinese (zh)
Other versions
CN109630689A (en
Inventor
刘程鹏
刘向东
池万养
刘万群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Meide Machinery Co ltd
Original Assignee
Zhejiang Meide Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Meide Machinery Co ltd filed Critical Zhejiang Meide Machinery Co ltd
Priority to CN201910006102.7A priority Critical patent/CN109630689B/en
Publication of CN109630689A publication Critical patent/CN109630689A/en
Application granted granted Critical
Publication of CN109630689B publication Critical patent/CN109630689B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/06Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means comprising radial locking means
    • F16L25/065Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means comprising radial locking means the locking means being actuated by radial screws

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a power-assisted stop device valve, which comprises a valve body, wherein a baffle is fixedly arranged in the valve body, a water outlet is formed in the surface of the baffle, an avoidance groove is formed in the inner wall of the valve body, a through hole is formed in the bottom end of the avoidance groove, a first sealing ring is fixedly arranged in the through hole, an open groove is formed in the bottom end of the through hole, a limiting ring is fixedly arranged in the open groove, a supporting rod is slidably arranged in the limiting ring, the supporting rod is slidably connected with the first sealing ring, and a sealing block is fixedly arranged at the lower end of the supporting rod. This novel helping hand stop device valve, when first draw-in bar breaks away from the draw-in hole, under the effect of first spring, second spring recovery deformation, can promote the bracing piece fast and drive the sealing block and break away from the baffle for the apopore is opened, and when the threaded rod rotates, can drive the connecting rod and upwards move, make the second draw-in bar break away from the draw-in groove, the change of the pipe of being convenient for.

Description

Power-assisted stop device valve
Technical Field
The invention relates to the technical field of stop valves, in particular to a power-assisted stop device valve.
Background
The stop valve is also called a stop valve, is one of the most widely used valves, is popular because the friction force between sealing surfaces in the opening and closing process is small, the stop valve is durable, the opening height is small, the manufacture is easy, the maintenance is convenient, and the stop valve is suitable for medium and low pressure and is suitable for high pressure.
In the novel helping hand stop device valve of majority, can not be simple break away from the card hole through first draw-in lever after for the action of restriction position no longer is pressed to first spring, second spring no longer atress and resumes deformation, makes the push rod drive the bracing piece and upwards remove, makes the sealing block break away from the apopore, and most be fixed connection between pipe and the stop valve, after long-time use destroys, inconvenient change.
Disclosure of Invention
The invention aims to provide a power-assisted stop device valve, which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a helping hand stop device valve, includes the valve body, the inside fixed mounting of valve body has the baffle, the surface of baffle is equipped with the apopore, the inner wall of valve body is equipped with dodges the groove, dodge the bottom in groove and be equipped with the through-hole, the inside fixed mounting of through-hole has first sealing ring, the bottom of through-hole is equipped with the open slot, the inside fixed mounting of open slot has the spacing ring, the inside slidable mounting of spacing ring has the bracing piece, sliding connection between bracing piece and the first sealing ring, the lower extreme fixed mounting of bracing piece has the sealing block, sliding connection between sealing block and the baffle, the fixed surface of bracing piece installs the baffle, fixedly connected with first spring between baffle and the open slot bottom, the upper end fixed mounting of bracing piece has the push rod;
the surface of the valve body is symmetrically provided with mounting grooves, the inner wall of each mounting groove is provided with a sliding groove, and the inner wall of each mounting groove is provided with a clamping hole;
the inside of the mounting groove is slidably provided with a supporting plate, the inner side of the supporting plate is fixedly provided with a second spring, the outer side of the supporting plate is fixedly provided with an extrusion rod, and the extrusion rod is fixedly connected with the push rod;
The inside symmetry fixed mounting of valve body has the second sealing ring, the inside slidable mounting of second sealing ring has the pipe, the surface symmetry of pipe is equipped with the draw-in groove, the surface symmetry of valve body is equipped with spacing hole, the inside slidable mounting in spacing hole has the second draw-in lever, slide between second draw-in lever and the draw-in groove and be connected, the terminal fixed mounting of second draw-in lever has the connecting rod, the surface of connecting rod is equipped with the second round hole, the inside fixed mounting of second round hole has the bearing.
Preferably, the surface of the extrusion rod is provided with a first round hole, the inside of the first round hole is symmetrically and fixedly provided with a fixed block, and the inside of the first round hole is symmetrically and fixedly provided with a limiting block.
Preferably, the inside slidable mounting of first round hole has first kelly, sliding connection between first kelly and the draw-in hole, the surface symmetry fixed mounting of first kelly has the supporting shoe, sliding connection between supporting shoe and the stopper, fixed mounting has the third spring between supporting shoe and the fixed block.
Preferably, the surface symmetry of valve body is equipped with the screw hole, the inside threaded connection of screw hole has the threaded rod.
Preferably, the threaded rod is fixedly connected with the bearing.
Compared with the prior art, the invention has the beneficial effects that: this novel helping hand stop device valve, when first draw-in bar breaks away from the draw-in hole, under the effect of first spring, second spring recovery deformation, can promote the bracing piece fast and drive the sealing block and break away from the baffle for the apopore is opened, and when the threaded rod rotates, can drive the connecting rod and upwards move, make the second draw-in bar break away from the draw-in groove, the change of the pipe of being convenient for.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
Fig. 2 is an enlarged view of the invention at a of fig. 1.
In the figure: the valve comprises a valve body, a partition plate, a water outlet hole 3, an avoidance groove 4, a through hole 5, a first sealing ring 6, an opening groove 7, a limiting ring 8, a supporting rod 9, a sealing block 10, a baffle plate 11, a first spring 12, a pushing rod 13, a mounting groove 14, a sliding groove 15, a clamping hole 16, a supporting plate 17, a second spring 18, a pressing rod 19, a first round hole 20, a fixing block 21, a limiting block 22, a first clamping rod 23, a supporting block 24, a third spring 25, a second sealing ring 26, a conduit 27, a clamping groove 28, a limiting hole 29, a second clamping rod 30, a connecting rod 31, a second round hole 32, a bearing 33, a threaded hole 34 and a threaded rod 35.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a helping hand stop device valve, including valve body 1, the inside fixed mounting of valve body 1 has baffle 2, the surface of baffle 2 is equipped with apopore 3, the inner wall of valve body 1 is equipped with dodges groove 4, dodge the bottom in groove 4 and be equipped with through-hole 5, the inside fixed mounting of through-hole 5 has first sealing ring 6, the bottom of through-hole 5 is equipped with open slot 7, the inside fixed mounting of open slot 7 has spacing ring 8, the inside slidable mounting of spacing ring 8 has bracing piece 9, sliding connection between bracing piece 9 and first sealing ring 6, the lower extreme fixed mounting of bracing piece 9 has sealing block 10, sliding connection between sealing block 10 and baffle 2, the fixed surface of bracing piece 9 installs baffle 11, fixedly connected with first spring 12 between baffle 11 and the open slot 7 bottom, the upper end fixed mounting of bracing piece 9 has push rod 13;
The surface of the valve body 1 is symmetrically provided with a mounting groove 14, the inner wall of the mounting groove 14 is provided with a sliding groove 15, the inner wall of the mounting groove 14 is provided with a clamping hole 16, the sliding groove 14 is convenient for the first clamping rod 23 to enter, and the clamping hole 16 is convenient for clamping and limiting the first clamping rod 23, so that the extrusion rod 19 is kept stable;
The inside slidable mounting of mounting groove 14 has backup pad 17, and the inboard fixed mounting of backup pad 17 has second spring 18, and the outside fixed mounting of backup pad 17 has extrusion pole 19, and fixed connection between extrusion pole 19 and the push rod 13 can promote the push rod 13 and upwards move when extrusion pole 19 no longer receives first bayonet catch 23 spacing effect.
The surface of the extrusion rod 19 is provided with a first round hole 20, a fixed block 21 is symmetrically and fixedly arranged in the first round hole 20, a limiting block 22 is symmetrically and fixedly arranged in the first round hole 20, and the limiting block 22 is arranged. The support block 24 is conveniently limited and prevented from being separated from the first round hole 20.
The inside slidable mounting of first round hole 20 has first card pole 23, sliding connection between first card pole 23 and the card hole 16, and the surface symmetry fixed mounting of first card pole 23 has supporting shoe 24, sliding connection between supporting shoe 24 and the stopper 22, and fixed mounting has third spring 25 between supporting shoe 24 and the fixed block 21, under the effect of third spring 25, promotes supporting shoe 24 and stopper 22 contact, drives first card pole 23 to the chucking of card hole 16.
The second sealing ring 26 is symmetrically and fixedly arranged in the valve body 1, the guide pipe 27 is slidably arranged in the second sealing ring 26, the clamping groove 28 is symmetrically arranged on the surface of the guide pipe 27, and the clamping groove 28 is convenient for the second clamping rod 30 to clamp and limit, so that the guide pipe 27 is kept stable.
The surface symmetry of valve body 1 is equipped with spacing hole 29, and the inside slidable mounting in spacing hole 29 has second draw-in bar 30, slides between second draw-in bar 30 and the draw-in groove 28 and is connected, and spacing hole 29 is convenient for the entering of second draw-in bar 30, prevents when threaded rod 35 rotates for connecting rod 31 rotates thereupon.
The end fixed mounting of second clamping rod 30 has connecting rod 31, and the surface of connecting rod 31 is equipped with second round hole 32, and the inside fixed mounting of second round hole 32 has bearing 33, and the installation of threaded rod 35 is convenient for to bearing 33 for threaded rod 35 can rotate and drive connecting rod 31 upward movement.
The surface symmetry of valve body 1 is equipped with screw hole 34, and the inside threaded connection of screw hole 34 has threaded rod 35, fixed connection between threaded rod 35 and the bearing 33, and threaded rod 35 keeps fastening state under the effect of screw hole 34 inner wall screw thread for connecting rod 31 drives second clamping rod 30 to clamping groove 28 chucking.
The invention is implemented in particular: when the novel power-assisted stop device valve needs to be opened, the first clamping rod 23 can be pressed to push the valve inwards by force, so that the first clamping rod 23 drives the supporting block 24 to separate from the limiting block 22 and move towards the outer side of the first round hole 20, the third spring 25 is compressed under the action of the fixed block 21, when the first clamping rod 23 enters the sliding groove 15, the first clamping rod 23 is separated from the clamping hole 16, the first spring 12 and the second spring 18 are not compressed under the action of stress any more and recover deformation, the first spring 12 pushes the baffle 11 and drives the supporting rod 9 to move towards the outer side of the open slot 7, the second spring 18 pushes the supporting plate 17 and drives the extruding rod 19 to move towards the outer side of the installation slot 14, the end surface of the first clamping rod 23 moves along the inner wall of the installation slot 14, and the pushing rod 13 is compressed under the action of the supporting rod 9 and the extruding rod 19, when the support rod 9 moves towards the outside of the open groove 7, the support rod 9 drives the sealing block 10 to separate from the partition plate 2, when the baffle 11 contacts with the limiting ring 8, the sealing block 10 is separated from the partition plate 2 and enters into the avoidance groove 4, the water outlet 3 is in an open state, the first spring 12 and the second spring 18 are not deformed any more, when the guide pipe 27 needs to be replaced, the threaded rod 35 can be pressed to rotate, the threaded rod 35 slowly separates from the threaded hole 34 and moves upwards under the action of the threads on the inner wall of the threaded hole 34, the threaded rod 35 rotates in the bearing 33 and drives the connecting rod 31 to move upwards, the connecting rod 31 is prevented from rotating under the action of the limiting hole 29, the second clamping rod 30 is finally separated from the clamping groove 28 under the action of the connecting rod 31, and the guide pipe 27 is removed to be replaced.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a helping hand stop device valve, includes valve body (1), its characterized in that: the novel valve is characterized in that a partition plate (2) is fixedly arranged in the valve body (1), a water outlet hole (3) is formed in the surface of the partition plate (2), a avoidance groove (4) is formed in the inner wall of the valve body (1), a through hole (5) is formed in the bottom end of the avoidance groove (4), a first sealing ring (6) is fixedly arranged in the through hole (5), an open groove (7) is formed in the top end of the through hole (5), a limiting ring (8) is fixedly arranged in the open groove (7), a supporting rod (9) is slidably arranged in the limiting ring (8), the supporting rod (9) is slidably connected with the first sealing ring (6), a sealing block (10) is fixedly arranged at the lower end of the supporting rod (9), a baffle (11) is fixedly arranged on the surface of the supporting rod (9), a first spring (12) is fixedly connected between the baffle (11) and the bottom end of the open groove (7), and a pushing rod (13) is fixedly arranged at the upper end of the supporting rod (9);
The surface of the valve body (1) is symmetrically provided with mounting grooves (14), the inner wall of each mounting groove (14) is provided with a sliding groove (15), and the inner wall of each mounting groove (14) is provided with a clamping hole (16);
the inside of the mounting groove (14) is slidably provided with a supporting plate (17), the inner side of the supporting plate (17) is fixedly provided with a second spring (18), the outer side of the supporting plate (17) is fixedly provided with an extrusion rod (19), and the extrusion rod (19) is fixedly connected with the push rod (13);
The surface symmetry of valve body (1) is equipped with spacing hole (29), the inside slidable mounting of spacing hole (29) has second clamping rod (30), slide between second clamping rod (30) and draw-in groove (28) and be connected, the terminal fixed mounting of second clamping rod (30) has connecting rod (31), the surface of connecting rod (31) is equipped with second round hole (32), the inside fixed mounting of second round hole (32) has bearing (33), the surface symmetry of valve body (1) is equipped with screw hole (34), the inside threaded connection of screw hole (34) has threaded rod (35).
2. A power assisted shutoff device valve as in claim 1 wherein: the surface of the extrusion rod (19) is provided with a first round hole (20), a fixed block (21) is symmetrically and fixedly arranged in the first round hole (20), and a limiting block (22) is symmetrically and fixedly arranged in the first round hole (20).
3. A power assisted shutoff device valve as in claim 2 wherein: the inside slidable mounting of first round hole (20) has first card pole (23), sliding connection between first card pole (23) and card hole (16), the surface symmetry fixed mounting of first card pole (23) has supporting shoe (24), sliding connection between supporting shoe (24) and stopper (22), fixed mounting has third spring (25) between supporting shoe (24) and fixed block (21).
4. A power assisted shutoff device valve as in claim 1 wherein: the valve is characterized in that a second sealing ring (26) is symmetrically and fixedly arranged in the valve body (1), a guide pipe (27) is slidably arranged in the second sealing ring (26), and clamping grooves (28) are symmetrically formed in the surface of the guide pipe (27).
5. A power assisted shutoff device valve as in claim 1 wherein: the threaded rod (35) is fixedly connected with the bearing (33).
CN201910006102.7A 2019-01-04 2019-01-04 Power-assisted stop device valve Active CN109630689B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910006102.7A CN109630689B (en) 2019-01-04 2019-01-04 Power-assisted stop device valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910006102.7A CN109630689B (en) 2019-01-04 2019-01-04 Power-assisted stop device valve

Publications (2)

Publication Number Publication Date
CN109630689A CN109630689A (en) 2019-04-16
CN109630689B true CN109630689B (en) 2024-04-26

Family

ID=66056549

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910006102.7A Active CN109630689B (en) 2019-01-04 2019-01-04 Power-assisted stop device valve

Country Status (1)

Country Link
CN (1) CN109630689B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110594429B (en) * 2019-10-15 2020-12-29 晟福(天津)流体自动控制设备有限公司 Valve convenient to install case
CN111075974B (en) * 2020-03-02 2024-05-28 浙江光跃环保科技股份有限公司 Ejector rod type double-cavity synchronous water stopping mechanism of drinking water equipment
CN111637051B (en) * 2020-07-15 2022-04-08 张素平 Water pump connector convenient for replacing pipeline

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4397485A (en) * 1979-08-08 1983-08-09 Aeroquip Corporation Threadless pipe fitting
US5048791A (en) * 1990-11-29 1991-09-17 Parker Hannifin Corporation Shut off valve
DE102015121549A1 (en) * 2014-12-12 2016-06-16 Buchholz Hydraulik Gmbh Shut-off
CN206206612U (en) * 2016-11-20 2017-05-31 江苏庆海石油机械有限公司 A kind of Labor-saving cut-off valve
CN206875006U (en) * 2017-03-20 2018-01-12 东莞市通兴液压科技有限公司 A kind of hydraulic cylinder fluid pipeline connector
CN206958268U (en) * 2017-06-22 2018-02-02 刘传云 A kind of valve harnessed the river with good airproof performance that feeds water
RU2644606C1 (en) * 2016-09-19 2018-02-13 Акционерное общество "Научно-производственная фирма "Центральное конструкторское бюро арматуростроения" Safety valve
CN207814469U (en) * 2018-01-25 2018-09-04 替科斯科技集团天津流体设备有限公司 A kind of anticlogging shut-off valve
CN208107298U (en) * 2018-03-29 2018-11-16 河南省铭澳特种设备检测有限公司 Easy-to-dismount safety valve
CN209511128U (en) * 2019-01-04 2019-10-18 浙江美德机械有限公司 A kind of novel power-assisted cut-off device valve

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4397485A (en) * 1979-08-08 1983-08-09 Aeroquip Corporation Threadless pipe fitting
US5048791A (en) * 1990-11-29 1991-09-17 Parker Hannifin Corporation Shut off valve
DE102015121549A1 (en) * 2014-12-12 2016-06-16 Buchholz Hydraulik Gmbh Shut-off
RU2644606C1 (en) * 2016-09-19 2018-02-13 Акционерное общество "Научно-производственная фирма "Центральное конструкторское бюро арматуростроения" Safety valve
CN206206612U (en) * 2016-11-20 2017-05-31 江苏庆海石油机械有限公司 A kind of Labor-saving cut-off valve
CN206875006U (en) * 2017-03-20 2018-01-12 东莞市通兴液压科技有限公司 A kind of hydraulic cylinder fluid pipeline connector
CN206958268U (en) * 2017-06-22 2018-02-02 刘传云 A kind of valve harnessed the river with good airproof performance that feeds water
CN207814469U (en) * 2018-01-25 2018-09-04 替科斯科技集团天津流体设备有限公司 A kind of anticlogging shut-off valve
CN208107298U (en) * 2018-03-29 2018-11-16 河南省铭澳特种设备检测有限公司 Easy-to-dismount safety valve
CN209511128U (en) * 2019-01-04 2019-10-18 浙江美德机械有限公司 A kind of novel power-assisted cut-off device valve

Also Published As

Publication number Publication date
CN109630689A (en) 2019-04-16

Similar Documents

Publication Publication Date Title
CN109630689B (en) Power-assisted stop device valve
CN208776609U (en) A kind of device of sulfate levulic acid esters
CN208287625U (en) A kind of filtering appts. for running water of Fast Installation replacement
CN209425311U (en) A kind of water pipeline support connection structure for hydraulic engineering
CN209511128U (en) A kind of novel power-assisted cut-off device valve
CN110680036B (en) Button device capable of preventing separation from clothes
CN221300161U (en) Gate valve with pressure relief structure
CN219731110U (en) Constant voltage control device in electrolytic capacitor type electroplating pool
CN113404522A (en) Anti-expansion valve plug of hydraulic support upright post
CN218853890U (en) Activated carbon adsorption performance contrast device convenient to transfer
CN219567649U (en) High flux reverse osmosis membrane for power plant
CN219510215U (en) Flow control valve core convenient to install
CN213809160U (en) Stop valve capable of preventing knob from vibrating and rotating
CN215650568U (en) Tea making device for tea bar machine and tea bar machine
CN216343929U (en) Anti-leakage marine valve
CN216867693U (en) Valve core mounting mechanism
CN216643385U (en) Rubber sealing gate valve
CN220416605U (en) Special plug for stretching pipe
CN217951565U (en) Hydraulic transition joint
CN220118628U (en) Door valve for sealing vacuum cavity
CN217175130U (en) Bouncing anti-overflow floor drain core
CN219601890U (en) Water sample preservation box for drinking water detection
CN213360578U (en) Clamping device for sealing centrifugal pump
CN111075974B (en) Ejector rod type double-cavity synchronous water stopping mechanism of drinking water equipment
CN111606364B (en) Method for inserting rotary lifting linkage handle device and filter liner of water purifier and filter liner

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant